...带外干扰信号并粗略压缩镜像信号，然后经过低噪声放大器（LNA）进行放大，放大后的信号由镜像抑制滤波器（Image Reject Filter）进一步压缩镜像信号，滤波之后的信号和本振信号在混频器中进行混频，有用信号被转换为一个固定中频信号，经过信道滤波器（Channe...
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采用无滤波器的镜像抑制结构设计高集成度的混频集成电路，可大大提高电路的集成度及解决相关衍生的问题。
While with the filterless structure of image rejection can improve the intensity of the intergrated circuit, it can greatly improve the integration of circuit and solve the relevant problems.
微带交指带通滤波器具有结构紧凑、易于批量生产的特点，适用于TVRO超外差接收机中作为镜像频率抑制滤波器。
Microstrip interdigital band-pass filters are compact and easy for batch manufacturing. They are suitable for applications in TVRO superheterodyne receivers as image-reject filters.
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